Question 698Steam Plants - Assistant Engineer
70% to passBabbitt is a metal alloy commonly used for lining _______________.
Asalt water piping
Bvalve seats
Cshim stock
Dprecision bearings
AI Explanation
The correct answer is D) precision bearings. Babbitt metal is a soft, low-friction alloy commonly used as a lining material for precision bearings, such as those found in engines, machinery, and other applications where smooth, low-wear operation is critical. The Babbitt lining helps reduce friction and wear on the bearing surfaces, improving the overall performance and longevity of the equipment. The other answer choices are incorrect because: A) salt water piping typically uses other corrosion-resistant materials, B) valve seats are often made of harder, more durable materials, and C) shim stock is usually made of thin metal sheets used for adjusting the fit of components, rather than as a bearing lining.
Related Questions
Q152:The illustrated burner atomizer assembly is . Illustration SG-0022 Q137:What type of sensor is normally used with the automatic recirculating valve in t... Q374:Which of the listed operating practices is considered as safe, and should be fol... Q174:Which of the listed conditions can cause high superheater outlet steam temperatu... Q68:Reaching which 'end point' will result in the most severe damage to the boiler? ...
Ready to test your knowledge?
Take a Steam Plants - Assistant Engineer Practice ExamOfficial Resources